Question: Tell me  area of mathematics  whose name has the word  trigonometry in it.
Paraphrase: Let me know zone of arithmetic whose title has the word trigonometry in it.
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q1936384 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'trigonometry')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: rational trigonometry, rational trigonometry, trigonometry, trigonometry